Leaf: Alternate; pinnately compound with 3 leaflets; range in size from 2"-3" up to 10"-12" on larger plants; shiny top with dull underside; very reddish-orange in fall - TOXIC. Form: Appears as ground ivy, climbing vines or as a bushy plant. Vines have hairy, aerial roots that cling to host trees. Fruit: Clusters of greenish berries turning white later in season - TOXIC. Bark: Dark gray, densely covered in aerial roots. TOXIC. Location: Found throughout North America. Common on roadsides. Economic/Ecological Importance:
Severe allergen to most people resulting in need for some medical attention. Millions of dollars are spent annually on treating poison ivy-induced dermatitis (rash) and on the removal/destruction of the plants
Sometimes planted intentionally for erosion control or for the reddish-orange leaf colors in the fall.
Feeds wild birds and animals who eat it without ill effects. One of the favorite winter foods for white-tail deer.
Poison Ivy
Anacardiaceae Toxicodendron radicansForm: Appears as ground ivy, climbing vines or as a bushy plant. Vines have hairy, aerial roots that cling to host trees.
Fruit: Clusters of greenish berries turning white later in season - TOXIC.
Bark: Dark gray, densely covered in aerial roots. TOXIC.
Location: Found throughout North America. Common on roadsides.
Economic/Ecological Importance: